CN101607813A - Brazinan chrysolite infra-red radiation geopolymer material and preparation method thereof - Google Patents

Brazinan chrysolite infra-red radiation geopolymer material and preparation method thereof Download PDF

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CN101607813A
CN101607813A CNA2009100632072A CN200910063207A CN101607813A CN 101607813 A CN101607813 A CN 101607813A CN A2009100632072 A CNA2009100632072 A CN A2009100632072A CN 200910063207 A CN200910063207 A CN 200910063207A CN 101607813 A CN101607813 A CN 101607813A
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chrysolite
red radiation
brazinan
preparation
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CN101607813B (en
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李珍
陈文�
周静
金成国
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China University of Geosciences
Wuhan University of Technology WUT
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China University of Geosciences
Wuhan University of Technology WUT
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Abstract

The present invention relates to a kind of infrared radiant material and preparation method thereof, particularly utilize chrysolite infra-red radiation geopolymer material that tourmalinite makes and preparation method thereof.Brazinan chrysolite infra-red radiation geopolymer material prepares by the following method: (1) preparation modulus is the water glass solution of 1-3.5; (2) mix tourmaline powder and water glass solution, stir 2-50h; (3) with mixture after being mixed with mould molding, drying; (4) behind the 2-30h, remove mould; (5) mixture with moulding carries out maintenance, obtains Brazinan chrysolite infra-red radiation geopolymer material.The invention has the beneficial effects as follows: (1) is exciting agent with water glass, and it is crosslinked that the tourmaline powder particle is coated by silicon oxide compound, forms the ground polymers, has the favorable mechanical performance; (2) Zhi Bei chrysolite infra-red radiation geopolymer material infrared emittance is better than pure tourmaline powder; (3) adopt different moulds, can obtain difform Brazinan chrysolite infra-red radiation geopolymer material, suitability is strong.

Description

Brazinan chrysolite infra-red radiation geopolymer material and preparation method thereof
Technical field
The present invention relates to a kind of infrared radiant material and preparation method thereof, particularly utilize chrysolite infra-red radiation geopolymer material that tourmalinite makes and preparation method thereof.
Background technology
Infrared radiant material is meant the inorganic materials that has high emissivity or feature emittance at infrared band, be mainly used in the heating of boiler, baking vanish, the heating of timber, food and drying etc. can be applied to also that training rehabilitation, Oil-burning range are energy-conservation, indoor air purification and body-care aspect.Utilize infrared radiant material that fuel oil is carried out ir radiation and handle, the viscosity of fuel oil and surface tension are reduced, be beneficial to atomizing and fully burning.
Tourmalinite be a kind of be aluminium, sodium, iron, the magnesium of feature, the ring texture silicate minerals of lithium with the boracic, its general formula generally is expressed as XY 3Z 6Si 6O 18(BO 3) 3W 4, in the formula: X=Ca 2+, Na +, K +, (room); Y=Li +, Mg 2+, Fe 2+, Mn 2+, Al, Cr 3+, V 3+, Fe 3+Z=Mg 2+, Al 3+, Fe 3+, V 3+, Cr 3+W=OH -, F -, O -Tourmalinite is a kind of natural mineral body with electromagnetic field, has piezoelectricity and pyroelectricity.Because the spontaneous polarization effect, it is voltage that the crystal two ends produce potential difference, discharges far-infrared radiation, its far infrared rays emissivity nearly 100%, and numerical value is than other mineral height, so tourmalinite is in consequence in the preparation of infra-red material.The ground polymers is a geopolymer, is the inorganic polymer material that alkali activates in the gelling material tool future.The formation principle of ground polymers is: certain actively contains aluminosilicate by having, makes silicon (aluminium) oxygen bond rupture in the aluminosilicate network with alkali carries out chemical reaction, and the polymer of polymerization formation sial network structure gradually, the intensity of its formed body constantly increases.Because its special inorganic polycondensation three-dimensional oxide network structure makes ground polymers material have high-temperature behavior and the mechanical property higher than macromolecular material, cement, pottery and metal aspect numerous.
Therefore, utilize tourmalinite to prepare chrysolite infra-red radiation geopolymer material, neither influence the tourmalinite infrared radiation property, can improve the mechanical property of tourmalinite class infrared radiant material again, can control tourmalinite infrared radiant material shape simultaneously.
Summary of the invention
The objective of the invention is at above-mentioned present Research, is exciting agent with water glass, and a kind of Brazinan chrysolite infra-red radiation geopolymer material and preparation method thereof is provided.
Realize that the technical scheme that the object of the invention adopts is: a kind of Brazinan chrysolite infra-red radiation geopolymer material, its all wave band infrared emittance is 0.89-0.93, Shore hardness is 42-60, and it is also crosslinked together that microscopic appearance shows that the tourmaline powder particle is coated by silicon oxide compound.Brazinan chrysolite infra-red radiation geopolymer material prepares by the following method:
1, the preparation modulus is the water glass solution of 1-3.5;
2, be that 15g/20mL～20g/10mL mixes by tourmaline powder and water glass material ratio, stir 2-50h;
3, mixture after being mixed is with mould molding, drying;
4, behind the 2-30h, remove mould;
5, the mixture with moulding carries out maintenance;
6, after maintenance finishes, obtain Brazinan chrysolite infra-red radiation geopolymer material.
The water glass solution that above-mentioned (1) step modulus is 1-3.5 is formed by NaOH and soluble glass of high modulus mixed preparing; (2) step adopted magnetic stirring apparatus or electric mixer to stir, and stirring velocity is 100-600r/min; (3) step is dry carries out under 25 ℃ of room temperatures; The curing condition in (5) step is: temperature is 25-50 ℃, and humidity is 50-90%, and the time is 10-50 days.
Think: the fracture of Si-O and Al-O covalent linkage takes place in the tourmaline powder surface under the effect of exciting agent, generates the mixed sols of silicic acid and aluminium hydroxide in the aqueous solution, and the partial dehydration condensation generates positive manosil AS between the sol particle.Na +Be attracted to around the Al in the molecular skeleton, with balance Al 3+(four-coordination) with negative charge, then, the hydroxyl on the positive manosil AS molecule is extremely unstable in basic solution or under the drying conditions, the formation hydrogen bond attracts each other, further dehydrating condensation forms poly-aluminium silica macromolecular chain, and tourmaline powder is crosslinked together, thereby has the favorable mechanical performance.
The invention has the beneficial effects as follows:
(1) utilize water glass to be exciting agent, it is crosslinked that the tourmaline powder particle is coated by silicon oxide compound, forms the ground polymers, has the favorable mechanical performance;
(2) Zhi Bei Brazinan chrysolite infra-red radiation geopolymer material infrared emittance is better than pure tourmaline powder;
(3) adopt different moulds, can obtain difform Brazinan chrysolite infra-red radiation geopolymer material, suitability is strong.
Description of drawings
Fig. 1 is the Brazinan chrysolite infra-red radiation geopolymer material SEM figure of embodiment 1
Fig. 2 is the Brazinan chrysolite infra-red radiation geopolymer material SEM figure of embodiment 2
Fig. 3 is the Brazinan chrysolite infra-red radiation geopolymer material SEM figure of embodiment 3
Embodiment
The embodiment of the invention adopts the Xinjiang tourmaline powder, modulus is that the water glass of 1-3.5 is raw material, by tourmaline powder and water glass material ratio is that 15g/20mL～20g/10mL mixes, and stirs 2-50h and mixes, with mould molding, behind 25 ℃ of following dry 2-30h of room temperature, removing mould, is 25-50 ℃ in temperature, and humidity is under the 50-90% condition, maintenance 10-50 days, obtain Brazinan chrysolite infra-red radiation geopolymer material.
Following embodiment is the preferred embodiment in preparation condition scope of the present invention, can not limit preparation condition scope of the present invention with this certainly.
Embodiment 1
With 100 order Xinjiang tourmaline powder 15g and modulus is that 3.2 water glass 20mL mixes, stir with 300r/min with magnetic stirring apparatus and to mix 24h, with mould molding, 25 ℃ of following dry 15h of room temperature, in temperature is 35 ℃, humidity is maintenance 25 days under the 50-65% condition, promptly obtains Brazinan chrysolite infra-red radiation geopolymer material.
Utilize the infrared emittance of the infrared radiant material of IREII type ir radiation tester (development of Shanghai Institute of Technical Physics of the Chinese Academy of Sciences) test preparation, sample powder is disperseed with ethanol, evenly being coated on the circular copper sheet, 60 ℃ of probe temperatures, precise temp control to ± and 0.1 ℃.Recording its all wave band infrared emittance F1 is 0.93, be higher than all wave band infrared emittance (0.88) of pure tourmaline powder, and the F2 of the infrared radiant material of preparation, F3, F4, F5, F6, F7 and F8 value also are higher than pure tourmaline powder.
Utilize the Shore hardness of the infrared radiant material of HS-19A type Shore scleroscope (Laizhou City Testing Machine Plant, Shandong) test preparation, recording its Shore hardness is 60, the Shore hardness that records glazed ceramic contrast sample on year-on-year basis is 85, and the Shore hardness of marble contrast sample is 44.
Utilize Quanta200 type scanning electron microscope (FEI company limited) that the fresh truncation surface of infrared radiant material of preparation is characterized (Fig. 1), find to pile up between tourmaline particle closely, but particle size heterogeneity, tourmaline particle is coated by Si oxide, the macrobead tourmalinite interconnects, and constitutes a whole skeleton, and the small-particle tourmalinite mixes mutually with Si oxide, fill the gap, make whole crosslinked together.
The employing modulus is 1 and 3.5 water glass, the identical Brazinan chrysolite infra-red radiation geopolymer material that makes of other conditions, and the pattern of the infrared emittance that records, Shore hardness and section has identical result.
Embodiment 2
100 order Xinjiang tourmaline powders are 20g, and modulus is that 3.2 water glass are 10mL, and add 10mLH 2O, other condition makes Brazinan chrysolite infra-red radiation geopolymer material with embodiment 1.Recording all wave band infrared emittance F1 is 0.90, and Shore hardness is 42, and the pattern of its fresh truncation surface of SEM figure demonstration is similar to embodiment's 1.
Embodiment 3
100 order Xinjiang tourmaline powders are 20g, and modulus is that 3.2 water glass are 10mL, and other condition makes Brazinan chrysolite infra-red radiation geopolymer material with embodiment 1.Recording all wave band infrared emittance F1 is 0.89, and Shore hardness is 55, and the pattern of its fresh truncation surface of SEM figure demonstration is similar to embodiment's 1.
The infrared emittance of table 1 tourmaline powder and each embodiment
Figure G2009100632072D00031
Annotate: F1--all wave band integrated emissivity, end F3--8.55 μ m (centre wavelength bandwidth 1 μ m, as follows), F4--9.55 μ m, F5--11.5 μ m, F6--12.00 μ m, F7--13.5 μ m, F8--14.00 μ m before the F2--8.00 μ m.

Claims (6)

1. Brazinan chrysolite infra-red radiation geopolymer material, its all wave band infrared emittance is 0.89-0.93, and Shore hardness is 42-60, and microscopic appearance shows that the tourmaline powder particle is coated by silicon oxide compound and is crosslinked together.
2. the preparation method of a Brazinan chrysolite infra-red radiation geopolymer material is characterized in that, may further comprise the steps:
(1) the preparation modulus is the water glass solution of 1-3.5;
(2) be that 15g/mL～20g/mL mixes by tourmaline powder and water glass material ratio, stir 2-50h;
(3) with mixture after being mixed with mould molding, drying;
(4) behind the 2-30h, remove mould;
(5) mixture with moulding carries out maintenance;
(6) after maintenance finishes, obtain Brazinan chrysolite infra-red radiation geopolymer material.
3. the preparation method of Brazinan chrysolite infra-red radiation geopolymer material according to claim 2 is characterized in that, described modulus is that the water glass solution of 1-3.5 is formed by NaOH and soluble glass of high modulus mixed preparing.
4. the preparation method of Brazinan chrysolite infra-red radiation geopolymer material according to claim 2 is characterized in that, described (2) step adopts magnetic stirring apparatus or electric mixer to stir, and stirring velocity is 100-600r/min.
5. the preparation method of Brazinan chrysolite infra-red radiation geopolymer material according to claim 2 is characterized in that, described (3) step is dry carries out under 25 ℃ of room temperatures.
6. the preparation method of Brazinan chrysolite infra-red radiation geopolymer material according to claim 2 is characterized in that, described curing condition is: temperature is 25-50 ℃, and humidity is 50-90%, and the time is 10-50 days.
CN2009100632072A 2009-07-17 2009-07-17 Brazinan chrysolite infra-red radiation geopolymer material and preparation method thereof Expired - Fee Related CN101607813B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101973768A (en) * 2010-09-02 2011-02-16 北京恩吉节能科技有限公司 Thermal-radiating material and fire-resisting material using same
CN103073205A (en) * 2013-02-04 2013-05-01 连云港金红矿业有限公司 Preparation method of omphacite geopolymer material
CN109704688A (en) * 2019-03-08 2019-05-03 上海雨巢新型建材有限公司 A kind of the fuel-economizing composition and preparation method of energy-saving consumption-reducing
CN110190770A (en) * 2019-06-03 2019-08-30 东北大学 A kind of magnetic field impulse preprocess method for strengthening tourmaline radiation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1667053A (en) * 2004-03-09 2005-09-14 于天诗 Surface coating method for superfine tourmaline micropowder
CN101274176A (en) * 2007-12-19 2008-10-01 华南理工大学 Method for preparing tourmaline functional ceramic filter element

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101973768A (en) * 2010-09-02 2011-02-16 北京恩吉节能科技有限公司 Thermal-radiating material and fire-resisting material using same
CN103073205A (en) * 2013-02-04 2013-05-01 连云港金红矿业有限公司 Preparation method of omphacite geopolymer material
CN103073205B (en) * 2013-02-04 2014-07-16 连云港金红矿业有限公司 Preparation method of omphacite geopolymer material
CN109704688A (en) * 2019-03-08 2019-05-03 上海雨巢新型建材有限公司 A kind of the fuel-economizing composition and preparation method of energy-saving consumption-reducing
CN110190770A (en) * 2019-06-03 2019-08-30 东北大学 A kind of magnetic field impulse preprocess method for strengthening tourmaline radiation

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